Originally designed and developed by the Chase Aircraft Co. Inc., (1943),
as a Cargo Glider (CG) in the form of the CG-18 Avitruc (7 built, 1947) and the
similar piston engined C-122 Avitruc (11 built, 1948).
Later developed into the XCG-20 Avitruc (2 built, 1949).

YC-123BAs XC-123, Kaiser built production versionbut delivered as a service test
aircraft.Components built at West Trenton.
Produced 1953
Kaiser Mfg. Corp. (Kaiser-Frazer Corp.),
Willow Run, Ypsilanti, Michigan (CN)

FOREIGN MILITARY / CIVILIAN SERVICE - C-123 Providers under the Military Assistance Program put into service with
Saudi Arabia and Venezuela.
- Surplus aircraft later sold to Laos, The Philippines, Taiwan, Thailand,
South Vietnam and other countries.
- Some aircraft sold on the civil market as transports etc.